<template>
  <el-container>
    <el-aside width="300px" v-loading="showDicloading">
      <el-container>
        <el-header>
          <el-input placeholder="输入关键字进行过滤" v-model="dicFilterText" clearable></el-input>
        </el-header>
        <el-main class="nopadding">
          <el-tree ref="dic" class="menu" node-key="id" :data="dicList" :props="dicProps" :highlight-current="true"
            :expand-on-click-node="true" :filter-node-method="dicFilterNode" @node-click="dicClick">
            <template #default="{ node, data }">
              <span class="custom-tree-node">
                <span class="label">{{ node.label }}</span>
                <span class="code">{{ data.code }}</span>
                <span class="do">
                  <el-icon @click.stop="dicEdit(data)"><el-icon-edit /></el-icon>
                  <el-icon @click.stop="dicDel(node, data)"><el-icon-delete /></el-icon>
                </span>
              </span>
            </template>
          </el-tree>
        </el-main>
        <el-footer style="height: 51px">
          <el-button type="primary" icon="el-icon-plus" style="width: 100%" @click="addDic">字典分类</el-button>
        </el-footer>
      </el-container>
    </el-aside>
    <el-container class="is-vertical">
      <el-header>
        <div class="left-panel">
          <el-button type="primary" icon="el-icon-plus" @click="addInfo"></el-button>
          <el-button type="danger" plain icon="el-icon-delete" :disabled="selection.length == 0"
            @click="batch_del"></el-button>
        </div>
      </el-header>
      <el-main class="nopadding">
        <scTable ref="table" :apiObj="listApi" row-key="id" :params="listApiParams" @selection-change="selectionChange"
          stripe :paginationLayout="'prev, pager, next'">
          <el-table-column type="selection" width="50"></el-table-column>
          <el-table-column label="" width="50">
            <template #default>
              <el-tag class="move" style="cursor: move"><el-icon-d-caret style="width: 1em; height: 1em" /></el-tag>
            </template>
          </el-table-column>
          <el-table-column label="名称" prop="name" width="150"></el-table-column>
          <el-table-column label="键值" prop="key" width="150"></el-table-column>
          <el-table-column label="是否有效" prop="status" width="100">
            <template #default="scope">
              <el-switch v-model="scope.row.status" @change="changeSwitch($event, scope.row, scope.row.status)"
                :loading="scope.row.$switch_status" active-value="1" inactive-value="0"></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" fixed="right" align="right" width="140">
            <template #default="scope">
              <el-button type="info" size="small" @click="table_edit(scope.row, scope.$index)">编辑</el-button>
              <el-popconfirm title="确定删除吗？" @confirm="table_del(scope.row, scope.$index)">
                <template #reference>
                  <el-button type="danger" size="small">删除</el-button>
                </template>
              </el-popconfirm>
            </template>
          </el-table-column>
        </scTable>
      </el-main>
    </el-container>
  </el-container>

  <dic-dialog v-if="dialog.dic" ref="dicDialog" @success="handleDicSuccess" @closed="dialog.dic = false"></dic-dialog>

  <list-dialog v-if="dialog.list" ref="listDialog" @success="handleListSuccess"
    @closed="dialog.list = false"></list-dialog>
</template>

<script>
import dicDialog from "./dic";
import listDialog from "./list";
import Sortable from "sortablejs";

export default {
  name: "dic",
  components: {
    dicDialog,
    listDialog,
  },
  data() {
    return {
      dialog: {
        dic: false,
        info: false,
      },
      showDicloading: true,
      dicList: [],
      dicFilterText: "",
      dicProps: {
        label: "name",
      },
      listApi: null,
      listApiParams: {},
      selection: [],
    };
  },
  watch: {
    dicFilterText(val) {
      this.$refs.dic.filter(val);
    },
  },
  mounted() {
    this.getDic();
    this.rowDrop();
  },
  methods: {
    //加载树数据
    async getDic() {
      var res = await this.$API.system.dic.getCategory.get();
      this.showDicloading = false;
      this.dicList = res.data;
      //获取第一个节点,设置选中 & 加载明细列表
      if (this.dicList) {
        var firstNode = this.dicList[0];
        if (firstNode) {
          this.$nextTick(() => {
            this.$refs.dic.setCurrentKey(firstNode.id);
          });
          this.listApiParams = {
            dic_category_id: firstNode.id,
          };
          this.listApi = this.$API.system.dic.list;
        }
      }
    },
    //树过滤
    dicFilterNode(value, data) {
      if (!value) return true;
      var targetText = data.name + data.code;
      return targetText.indexOf(value) !== -1;
    },
    //树增加
    addDic() {
      this.dialog.dic = true;
      this.$nextTick(() => {
        this.$refs.dicDialog.open();
      });
    },
    //编辑树
    dicEdit(data) {
      this.dialog.dic = true;
      this.$nextTick(() => {
        var editNode = this.$refs.dic.getNode(data.id);
        var editNodeParentId = editNode.level == 1 ? undefined : editNode.parent.data.id;
        data.parent_id = editNodeParentId;
        this.$refs.dicDialog.open("edit").setData(data);
      });
    },
    //树点击事件
    dicClick(data) {
      this.$refs.table.reload({
        dic_category_id: data.id,
      });
    },
    //删除树
    dicDel(node, data) {
      this.$confirm(`确定删除 ${data.name} 项吗？`, "提示", {
        type: "warning",
      })
        .then(async () => {
          this.showDicloading = true;
          //删除节点是否为高亮当前 是的话 设置第一个节点高亮
          var res = await this.$API.system.dic.deleteCategory.get({
            id: data.id,
          });
          if (res.code == 200) {
            this.getDic();
            // this.$refs.dic.remove(data.id);
            this.$message.success("操作成功");
            this.showDicloading = false;
          } else {
            this.$alert(res.message, "提示", { type: "error" });
          }
        })
        .catch(() => {
          this.showDicloading = false;
        });
    },
    //行拖拽
    rowDrop() {
      const _this = this;
      const tbody = this.$refs.table.$el.querySelector(".el-table__body-wrapper tbody");
      Sortable.create(tbody, {
        handle: ".move",
        animation: 300,
        ghostClass: "ghost",
        onEnd({ newIndex, oldIndex }) {
          const tableData = _this.$refs.table.tableData;
          const currRow = tableData.splice(oldIndex, 1)[0];
          tableData.splice(newIndex, 0, currRow);
          _this.$API.system.dic.sort.post({ data: tableData }).then(() => {
            _this.$message.success("排序成功");
          })

        },
      });
    },
    //添加明细
    addInfo() {
      this.dialog.list = true;
      this.$nextTick(() => {
        var dicCurrentKey = this.$refs.dic.getCurrentKey();
        const data = {
          dic_category_id: dicCurrentKey,
        };
        this.$refs.listDialog.open().setData(data);
      });
    },
    //编辑明细
    table_edit(row) {
      this.dialog.list = true;
      this.$nextTick(() => {
        this.$refs.listDialog.open("edit").setData(row);
      });
    },
    //删除明细
    async table_del(row, index) {
      var reqData = { id: row.id };
      var res = await this.$API.system.dic.delete.post(reqData);
      if (res.code == 200) {
        this.$refs.table.tableData.splice(index, 1);
        this.$message.success("删除成功");
      } else {
        this.$alert(res.message, "提示", { type: "error" });
      }
    },
    //批量删除
    async batch_del() {
      this.$confirm(`确定删除选中的 ${this.selection.length} 项吗？`, "提示", {
        type: "warning",
      })
        .then(async () => {
          const loading = this.$loading();

          var ids = [];
          this.selection.forEach((item) => {
            ids.push(item.id);
          });
          var reqData = { ids: ids };
          var res = await this.$API.system.dic.delete.post(reqData);
          if (res.code == 200) {
            this.selection.forEach((item) => {
              this.$refs.table.tableData.forEach((itemI, indexI) => {
                if (item.id === itemI.id) {
                  this.$refs.table.tableData.splice(indexI, 1);
                }
              });
            });
            this.$message.success("删除成功");
          } else {
            this.$alert(res.message, "提示", { type: "error" });
          }

          loading.close();
        })
        .catch(() => { });
    },
    //提交明细
    saveList() {
      this.$refs.listDialog.submit(async (formData) => {
        this.isListSaveing = true;
        var res = await this.$API.demo.post.post(formData);
        this.isListSaveing = false;
        if (res.code == 200) {
          //这里选择刷新整个表格 OR 插入/编辑现有表格数据
          this.listDialogVisible = false;
          this.$message.success("操作成功");
        } else {
          this.$alert(res.message, "提示", { type: "error" });
        }
      });
    },
    //表格选择后回调事件
    selectionChange(selection) {
      this.selection = selection;
    },
    //表格内开关事件
    async changeSwitch(val, row, status) {
      //1.还原数据

      // //2.执行加载
      row.$switch_status = true;
      var res = await this.$API.system.dic.enable.get({ id: row.id, status: status });
      if (res.code == 200) {
        row.status = status;
        //这里选择刷新整个表格 OR 插入/编辑现有表格数据
        delete row.$switch_status;
        this.$message.success("操作成功");
      } else {
        this.$alert(res.message, "提示", { type: "error" });
      }
      delete row.$switch_status;
    },
    //本地更新数据
    handleDicSuccess() {
      this.getDic();
    },
    //本地更新数据
    handleListSuccess(data, mode) {
      if (mode == "add") {
        // data.id = new Date().getTime();
        this.$refs.table.tableData.push(data);
      } else if (mode == "edit") {
        this.$refs.table.tableData
          .filter((item) => item.id === data.id)
          .forEach((item) => {
            Object.assign(item, data);
          });
      }
    },
  },
};
</script>

<style scoped>
.menu:deep(.el-tree-node__label) {
  display: flex;
  flex: 1;
  height: 100%;
}

.custom-tree-node {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  padding-right: 24px;
  height: 100%;
}

.custom-tree-node .code {
  font-size: 12px;
  color: #999;
}

.custom-tree-node .do {
  display: none;
}

.custom-tree-node:hover .code {
  display: none;
}

.custom-tree-node:hover .do {
  display: inline-block;
}
</style>
